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Soren20060818
JINGCHENG
3917290000 3904610000 3917390000
Automotive adhesive systems are becoming faster, more automated and more dependent on repeatable material behavior.
A dispensing robot may follow the same path with extremely high precision, but the adhesive still has to travel through a flexible hose before reaching the application head.
If the material cools inside this hose, viscosity can increase. Once viscosity changes, pump pressure, dispensing response and bead consistency may also change.
The automotive heated hose shown is designed for high-pressure adhesive and sealant transfer where temperature stability and pressure capability must work together.
It can be customized for domestic and imported dispensing systems, including configurations used with equipment associated with SCA, ATN, GRACO and other adhesive-system brands.
Many automotive bonding materials are highly sensitive to temperature.
A relatively small temperature change can affect:
Material viscosity
Pump load
Pressure response
Dispensing speed
Start-and-stop accuracy
Adhesive bead consistency
For this reason, a heated hose should not simply be viewed as a connector between the pump and dispensing gun.
It is part of the complete material-conditioning system.
The heating layer helps maintain the required temperature along the flexible section so that the adhesive arriving at the application head remains closer to the intended processing condition.
Automotive structural adhesives and sealants can require substantial delivery pressure, especially when the material is highly viscous or must travel through a long hose.
According to the catalog, selected models in this series reach working pressures up to:
475 bar / 6,888 psi
The 3/8-inch configuration is listed with a burst pressure of:
1,900 bar / 27,550 psi
Actual allowable operating pressure depends on temperature, hose size, fittings, pressure cycling and the complete assembly configuration.
Automotive hoses may be installed around robotic or automated equipment where they experience more than static pressure.
The hose route may need to accommodate:
Repeated movement
Machine vibration
Tight installation space
Changing hose orientation
Heavy end fittings
Electrical and sensor cables
The installation therefore needs to respect the specified bending radius and avoid excessive twisting.
For moving applications, the robot path and hose support arrangement should be considered together.
This hose can be customized for:
Structural adhesive dispensing
Automotive body bonding
Seam sealing
Windshield adhesive systems
Roof-panel bonding
Door and panel assembly
Battery-pack sealing
EV battery bonding
Underbody sealant application
Robotic mastic dispensing
The product uses uniformly arranged heating elements and thermal insulation to help reduce temperature differences along the hose.
This can help reduce localized cold sections that may otherwise cause:
Adhesive thickening
Pressure fluctuation
Delayed dispensing
Material accumulation
Production inconsistency
The catalog lists a maximum heat-resistant temperature of:
200°C
The actual set temperature should be based on the adhesive manufacturer's processing recommendation.
A replacement automotive hose may require more than matching the thread size.
The complete configuration can include customized:
Hose length
Inner diameter
Fluid fittings
Heating power
Voltage
Temperature sensor
Electrical plug
Pin arrangement
Cable length
Protective outer structure
This is especially important for imported dispensing equipment.
Inner Diameter | Outer Diameter | Working Pressure | Burst Pressure | Minimum Bending Radius |
|---|---|---|---|---|
3/8" | 15.7 mm | 475 bar / 6,888 psi | 1,900 bar / 27,550 psi | 110 mm |
1/2" | 19.7 mm | 450 bar / 6,525 psi | 1,800 bar / 26,100 psi | 150 mm |
5/8" | 22.5 mm | 400 bar / 5,800 psi | 1,600 bar / 23,200 psi | 175 mm |
3/4" | 20 mm | 300 bar / 4,350 psi | 1,200 bar / 17,400 psi | 200 mm |
1" | 25 mm | 275 bar / 3,988 psi | 1,100 bar / 15,950 psi | 240 mm |
A correctly matched assembly helps ensure that the hose fits the machine mechanically, thermally and electrically.
This is particularly important when replacing an original hose from an imported system.
Customers can provide the original hose, photos, connector dimensions or machine information for matching.
In an automotive dispensing system, adhesive quality does not depend only on the pump or robot.
The hose connecting them can influence material temperature, viscosity, pressure response and final dispensing consistency.
A properly engineered high-pressure heated hose helps maintain stable material conditions while supporting the demanding pressure requirements of modern automotive bonding and sealing systems.
